🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.58 AU - 0.58 AU

Year: 168 Days

Day: 47.2 Hours

Environment

Temp: 204 °C

Axial Tilt: 111.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.82 AU - 1.16 AU

Year: 375 Days

Day: 20.4 Hours

Environment

Temp: 1 °C

Axial Tilt: 6.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 57,312,960 km

• M1: 718,818 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.15 AU - 1.85 AU

Year: 700 Days

Day: 31.5 Hours

Environment

Temp: -58 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 14.8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.46 AU - 9.42 AU

Year: 8520 Days

Day: 15 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,312,960 km

• M1: 184,005 km (0.11 R)
• M2: 795,262 km (0.056 R)
• M3: 1,657,096 km (0.117 R)
• M4: 4,349,558 km (0.083 R)
• M5: 5,097,248 km (0.088 R)
• M6: 5,600,944 km (0.097 R)
• M7: 8,344,120 km (0.084 R)
• M8: 9,466,104 km (0.082 R)
• M9: 13,394,545 km (0.027 R)
• M10: 16,223,590 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.6

Radius: 9.5

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.04 AU - 11 AU

Year: 10316 Days

Day: 13.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,312,960 km

• M1: 118,182 km (0.06 R)
• M2: 515,963 km (0.089 R)
• M3: 833,709 km (0.053 R)
• M4: 2,320,263 km (0.097 R)
• M5: 2,932,567 km (0.084 R)
• M6: 3,373,731 km (0.064 R)
• M7: 3,779,291 km (0.039 R)
• M8: 4,811,666 km (0.088 R)
• M9: 5,878,299 km (0.096 R)
• M10: 7,258,489 km (0.099 R)
• M11: 8,984,998 km (0.062 R)
• M12: 10,174,600 km (0.096 R)
• M13: 11,805,366 km (0.08 R)
• M14: 12,504,138 km (0.109 R)
• M15: 13,415,937 km (0.086 R)
• M16: 13,792,924 km (0.106 R)
• M17: 14,371,568 km (0.07 R)
• M18: 15,646,142 km (0.06 R)
• M19: 18,036,866 km (0.094 R)
• M20: 20,744,288 km (0.113 R)
• M21: 24,917,321 km (0.112 R)
• M22: 28,469,073 km (0.116 R)
• M23: 29,830,563 km (0.111 R)
• M24: 33,480,751 km (0.064 R)
• M25: 38,543,443 km (0.099 R)
• M26: 43,681,082 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.1

Radius: 13.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.92 AU - 13.54 AU

Year: 14331 Days

Day: 9.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,312,960 km

• M1: 174,880 km (0.1 R)
• M2: 671,994 km (0.058 R)
• M3: 1,652,009 km (0.112 R)
• M4: 2,274,636 km (0.061 R)
• M5: 2,751,853 km (0.064 R)
• M6: 3,717,058 km (0.098 R)
• M7: 4,355,093 km (0.11 R)
• M8: 5,099,343 km (0.109 R)
• M9: 6,513,940 km (0.102 R)
• M10: 8,366,411 km (0.074 R)
• M11: 9,362,583 km (0.041 R)
• M12: 10,325,694 km (0.077 R)
• M13: 10,888,631 km (0.093 R)
• M14: 12,261,490 km (0.054 R)
• M15: 14,848,935 km (0.117 R)
• M16: 16,083,566 km (0.088 R)
• M17: 16,764,237 km (0.11 R)
• M18: 19,005,811 km (0.076 R)
• M19: 19,852,834 km (0.053 R)
• M20: 21,170,343 km (0.099 R)
• M21: 24,470,472 km (0.081 R)
• M22: 28,426,139 km (0.117 R)
• M23: 32,549,206 km (0.036 R)
• M24: 36,405,839 km (0.108 R)
• M25: 37,712,277 km (0.056 R)
• M26: 38,914,445 km (0.1 R)
• M27: 39,457,037 km (0.065 R)
• M28: 44,421,293 km (0.05 R)
• M29: 46,518,505 km (0.094 R)
• M30: 49,153,073 km (0.05 R)
• M31: 50,426,600 km (0.032 R)
• M32: 51,885,478 km (0.119 R)
• M33: 52,708,117 km (0.112 R)
• M34: 53,874,382 km (0.111 R)
• M35: 56,085,738 km (0.065 R)
• M36: 58,356,933 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.3

Radius: 5.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 14.16 AU - 19.64 AU

Year: 26456 Days

Day: 24.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,312,960 km

• M1: 73,453 km (0.119 R)
• M2: 278,402 km (0.109 R)
• M3: 531,222 km (0.075 R)
• M4: 742,903 km (0.06 R)
• M5: 935,884 km (0.091 R)
• M6: 1,150,707 km (0.077 R)
• M7: 2,130,423 km (0.076 R)
• M8: 2,485,718 km (0.114 R)
• M9: 3,792,007 km (0.099 R)
• M10: 4,916,085 km (0.113 R)
• M11: 5,644,776 km (0.107 R)
• M12: 6,246,609 km (0.088 R)
• M13: 6,725,471 km (0.053 R)
• M14: 8,214,868 km (0.047 R)
• M15: 12,686,049 km (0.118 R)
• M16: 16,306,168 km (0.115 R)
• M17: 17,211,983 km (0.098 R)
• M18: 18,958,987 km (0.048 R)
• M19: 21,795,961 km (0.108 R)
• M20: 22,432,201 km (0.108 R)
• M21: 24,707,584 km (0.098 R)
• M22: 26,307,085 km (0.118 R)
• M23: 30,380,336 km (0.101 R)
• M24: 33,397,276 km (0.052 R)
• M25: 39,883,840 km (0.102 R)
• M26: 46,412,141 km (0.07 R)
• M27: 52,800,568 km (0.083 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 17,577 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit